Killing the mortgage interest deduction would do wonders: it would reduce the likelihood of another real estate bubble, it would allow tax rates to be lower and flatter, and it would most likely result in lower mortgage borrowing costs.

"Conservatives say if you don't give the rich more money, they will lose their incentive to invest. As for the poor, they tell us they've lost all incentive because we've given them too much money." — George Carlin